11163275253 has 20 divisors (see below), whose sum is σ = 17958774988. Its totient is φ = 6869707200.

The previous prime is 11163275203. The next prime is 11163275261. The reversal of 11163275253 is 35257236111.

11163275253 is a `hidden beast` number, since 1 + 11 + 632 + 7 + 5 + 2 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7146504369 + 4016770884 = 84537^2 + 63378^2 .

It is not a de Polignac number, because 11163275253 - 2¹⁰ = 11163274229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11163275203) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5299648 + ... + 5301753.

Almost surely, 2^11163275253 is an apocalyptic number.

11163275253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11163275253 is a deficient number, since it is larger than the sum of its proper divisors (6795499735).

11163275253 is a wasteful number, since it uses less digits than its factorization.

11163275253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10601426 (or 10601417 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The spelling of 11163275253 in words is "eleven billion, one hundred sixty-three million, two hundred seventy-five thousand, two hundred fifty-three".